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set2-answers - E i is 5 23$ Eaurfim gaggg{we...

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Unformatted text preview: § § , E i is 5' 23$ Eaurfim gaggg {we E’f‘égfiéa'fifiz 2%: Fig 2&3} am cemmmiy 65%? m mcagm'e pfsassgum. Wham gram 3:: gage: is attachsd m was Ciagad w is: unis»: 62“ fig $532145 {£743 gage: mafia 5 psi. What: is 33% afismime air pmfimga m 332$ mafia? Afiwme 52mm aimasghsgég wmwm c»? 14,? mi 539’? #3: 3 jéyf ya f} w 9» fig ”we 45%figaéiié‘ggfie ; j” “E J‘Efflézi ”3 ’ 3,» 4mm” A ~Avfl’fiflsfiiv4u <ummmm2wwwmfimw»fimwmmwammmwmflmmxgj am...” awn” wan-2; w The basic elements of a hydraulic press are shown in I Fig. 132.12. The plunger has an area of 1 in.2, and a force, F,, can be applied to the plunger through a lever mechanism having a mechanical advantage of 8 to 1. If the large piston has an area of 150 in}, what load, F2, can be raised by a force of 30 lb applied to the lever? Neglect the hydrostatic pressure variation. Hydraulic‘fluid "$3 w; A la?“ °7£ 3'0 lb “ID/alrecl 1193: 7745 let/er VFSKIE m 0. P/Hflfifr‘ exam: F 0/, f7: (8)1?0) : 240 /6 . 2 1/ S/nce [7:704] 4,44 F: {3,5,1 where P Is 7715 FV€SSHV€ (7144/ 4, mm! A; are 7716 (II/R475 07‘ 7715 phi/47m» 4nd [ID/Hm) res/Decitue/g, 5mm: 7’ :5 Canslzmé firpuybmi‘ We C/Mmber, £7. = .52: A: ’42. 50 771425 A. '1 e —,- F; = W. W0 a) -= u / H4. 2 iii I'g " 251 A closed cylindrical tank filled with water has a hem- SG 2 0.8 ispherical dome and 15 connected to an inverted piping system 2’5: kPa as shown 111 Fig. P2 25. The liquid in the top part of the piping ,-v"‘\ -- , " i system has a specific gravity of O 8, and the remaining parts of -’ ‘ «f the system are filled with water. if the pressure gage reading at A is 60 kPa determine: (a) the pressure in pipe B, and (b) the ' pressure head, in millimeters of mercury, at the top of the dome 1 (point C). II ‘0 L» 25 sh .- LWP (37.3me )[ml N ‘ = 359.4 x103 «3 ii ‘i C __ 30 4X” " Ii ’g‘: 3, ~ BMW-L - y.230mq i #3 [33" ’03 7.73 =(9./3230m{0mw = 230492414 2.3! A piston having a cross-sectional area of 0.07 m2 is located in a cylinder containing water as shown in Fig. P23! . An open U-tube manom- eter is connected to the cylinder as shown. For [11 =' 60 mm and h = 100 mm, what is the value of the applied force, P, acting on the piston? The weight of the piston is negligible. FEV efu/‘AZ/vbm J P: a, AP 0n pisizm and x4}, 13 "Me «mac o/C 7‘71: pub/7. 4/542, - X ~£ = o "#1“? 19'! or a: %{ "" 374,20 .Z’I {/33 «3M ”WOO/m) {7X03 Agflaowxfl ””3 : 12.7 1% An?- Thu; / P: {’2-7 ”/03 - MNflovm): (KW/V Where. a 15 71c [artsy/re ac£l;’{7 “a" A911 2-27 2.!f‘? A rectangular gate having a width of 5 ft is located in the sloping side of a tank as shown in Fig. PZJM. The gate is hinged along its top edge and is held in position by the force P. Fric- tion at the hinge and the weight of the gate can P be neglected- Determine the required value of P‘. 60" FIGURE 923? l4 5%: 5026 A where ”Kc : (/3 H) 51", 5.90 0 j”; Thus, ( Pk: (62-9gs)//3 1616) 5/}: Ao‘fé #xé‘fl) : 02/) mo IL 24/50 I 'J' 5 7 3 ) 3/2: 9‘; 1' ye = 'fifflmfi) * HH 9 . (/3 ft)(é 161-1593) 7: Mo =0 ‘ 77m, EQth/avlo)f£] -= P (Ht) 50 flat P z [a /, 100 lb) (/3.23H—/of71) 4, If: 2'4? ' 2.57 A Elan-wide, 8-m-high rectangular gate is located at the end of a rectangular passage that is connected to a large open tank filled with water as shown in Fig. P257. The gate is hinged at its bottom and held closed by a horizontal force, FH, located at the center of the gate. The maximum value for F” is 3500 kN. (a) Determine the maximum water depth, 11, above the center of the gate that can exist without the gate opening. (1)) Is the answer the same if the gate is hinged at the top? Explain your answer. IFIGUHE P2u57 I [6:]? act-[e I’ll 0-?fd at‘. bo‘H‘Om Z MH =0 (17%) F; '5’ j— F/z (5e! 55"“) (1) LL FR. FH ”FzzarAcA-rf‘iwix 3)(%')(3/mx$’m) {amxzqvfilMN 5 7/2.: IKQ +3 : (3m X§m> +12. .1. l9. {7‘ C «E {5m1X5’m) A 51:3 +4 4'7 ll Thu: 5:53 __ __ 5:33 £61024)” ‘ WHO‘S! 7L and 45mm 531’) fl/rm)/:?5‘poaé/v)= @‘ 5* :3)/730X2—4)a‘—)M 5‘0 flm-l- : /L.Z m {Can ‘LJ: ) 41-51 F31” ficifl r/fi‘m‘qe’d 47‘ 4UP 2 ”7H :0 56 77441} (4m)/:# ‘7 fl, Fe (fee [/jm'e) (I) ’Qt F where ":2 — at. £1: 92“ Q. 4) :{ifigiHJ-‘ML'U :: £13? +4 £1: 5,5 (JR—1+) Thus} gram Pg, [1) (4m)/35‘aoflw) =’ (%3+‘/)/¢¥0X24Mt) 7AM and IA = /3‘. 5m A'S‘l ...
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